must-fix, version 6
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Quoted 4 lines · Christoph Hellwig
Quoted 2 lines · Andrew Morton
o Minor interface changes are pending in cio/ when the z990 machines are out.
This should be at least PRI2, as it will change the user-visible interface, e.g. the bus_id format for CCW devices.
Quoted 5 lines
Quoted 5 lines
There are some more things being worked on that are either post-2.6.0 or are likely to remain outside of the official kernel (i.e. not for your
list):PRI3
The 'not for your list' actually referred to the items below...
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Quoted 4 lines
o Jan Glauber is working on a fix for the timer issues related to running on virtualized CPUs (wall-clock vs. cpu time).
PRI1
Keep this as PRI3. It would be really nice to have, but I don't expect it to be stable before 2.6.0. The current code is the same as in 2.4.
Quoted 7 lines
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o the qeth driver will become GPL soon
PRI3
o a block device driver for ramdisks shared among virtual machines
PRI3
Ok. We're only waiting for the OK from our lawyers before these can be submitted. The qeth driver is ugly, but is the one for the most common hardware, so it would be nice to have it included eventually.
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o driver for crypto hardware
PRI2
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o 'claw' network device driver
PRI3
o new zfcp fibre channel driver
PRI3
These three drivers are not fully ported to 2.5 as they are less important and we have no plan of submitting them for either 2.4 or 2.[567]. The code is also too ugly to be accepted anyway, so you can drop them from the list. Vendors can pick up the source from out developerworks site, as always...
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Is there a 2.5 patch of this somewhere?
No. An official release of the zfcp driver should be available at the end of this year for linux-2.6. If you want to look at the code, Heiko Carstens <[email protected]> can probably send you a snapshot of his current working version.
Arnd <><
Quoted 9 lines · Arnd Bergmann
Quoted 3 lines
Quoted 3 lines
o new zfcp fibre channel driver
PRI3
These three drivers are not fully ported to 2.5 as they are less important and we have no plan of submitting them for either 2.4 or 2.[567]. The code is also too ugly to be accepted anyway, so you can drop them from the list. Vendors can pick up the source from out developerworks site, as always...
So instead of fixing the code you rely on vendors merging crap? what a wonderful idea, let's hope RH, SuSE & co reject it...
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Quoted 2 lines · Christoph Hellwig
So instead of fixing the code you rely on vendors merging crap? what a wonderful idea, let's hope RH, SuSE & co reject it...
Exactly. Only speaking for myself: I don't have access to the hardware, the code is outside of the official tree and the maintainers don't care if it ever gets merged. To me, that's not much different from all the other obscure stuff in the vendor kernels.
Note that all the /important/ s390 drivers are in 2.5 (except qeth and the new 3270 -- both are being worked on) and in reasonably good shape now, mostly due to the fact that Martin rewrote 80% of the code during the last year.
For zfcp, the chances of getting it cleaned up during 2.7 are good and the code for 2.6 will already be much better than what we have now. For claw and z90crypt we still need a volunteer who will either take over maintainership or teach the current maintainers.
Arnd <><
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